Mountain bluet 'Alba' (Centaurea montana 'Alba')

Mountain bluet 'Alba'

Also known as: Mountain cornflower 'Alba', Montane knapweed 'Alba'

Around twice the size of the average montana species of flower, mountain bluet 'Alba' has uniquely shaped white flowers with deep-purple centers. Cultivated as a hybrid of other centaureas, this cultivar was named after the Latin word for "white." Gardeners admire this cultivar for its quick growth, distinctive appearance, and large blooms.

Scientific classification

Asters bellflowers fanflowers and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

50 cm

Plant Height

75 cm

Spread

Green, Gray, Silver

Leaf Color

5 cm

Flower Size

Cream, Brown

Fruit Color

White

Flower Color

0 - 35 ℃

Ideal Temperature

Care Guide for Mountain bluet 'Alba'

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from mountainous regions, mountain bluet 'Alba' thrives in well-drained soils with moderate moisture. It prefers consistent hydration without being waterlogged, requiring weekly watering. Grown outdoors, mountain bluet 'Alba' flourishes when soil moisture is carefully managed, crucial during its active growing season.

Fertilize: Mountain bluet 'Alba' tolerates infertile soils, but proper nutrition enhances blooming. Use a base fertilizer before sowing. Apply nitrogen during vegetative growth, followed by phosphorus and potassium before bloom. Avoid over-fertilization to prevent weed dominance and reduced flowering.

Pruning: Mountain bluet 'Alba' features attractive white blooms and benefits from regular pruning in early to late spring. Promptly deadhead flowers and cut back foliage in late fall to encourage regrowth. Pruning enhances appearance, prevents overcrowding, and reduces disease risk. Refer to horticultural resources for optimal practices.

Propagation: Mountain bluet 'Alba' can be propagated through division, where the plant is separated into parts with roots. Ensure each division has sufficient roots and a growth point, replanting at the original depth and watering thoroughly for establishment.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free